Home / 30,138.56-41,591.37-17,392.27

Finding the Fourth Proportional to 30,138.56, 41,591.37 and 17,392.27

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Solution

The fourth proportional to 30,138.56, 41,591.37 and 17,392.27 is: 24,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.56 : 41,591.37 = 17,392.27 : x
  2. Step 2: Convert to fraction form
    30,138.56/41,591.37 = 17,392.27/x
  3. Step 3: Cross multiply
    30,138.56x = 41,591.37 × 17,392.27
  4. Step 4: Simplify right side
    30,138.56x = 723,368,336.71
  5. Step 5: Solve for x
    x = 723,368,336.71/30,138.56
  6. Step 6: Final answer
    x = 24,001.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.